diff --git a/Elwig/App.xaml.cs b/Elwig/App.xaml.cs
index a42af11..a0c51e4 100644
--- a/Elwig/App.xaml.cs
+++ b/Elwig/App.xaml.cs
@@ -227,10 +227,6 @@ namespace Elwig {
             return FocusWindow<SeasonFinishWindow>(() => new());
         }
 
-        public static DeliveryConfirmationsWindow FocusDeliveryConfirmations(int year) {
-            return FocusWindow<DeliveryConfirmationsWindow>(() => new(year), w => w.Year == year);
-        }
-
         public static OriginHierarchyWindow FocusOriginHierarchy() {
             return FocusWindow<OriginHierarchyWindow>(() => new());
         }
@@ -255,8 +251,8 @@ namespace Elwig {
             return w;
         }
 
-        public static MailWindow FocusMailWindow() {
-            return FocusWindow<MailWindow>(() => new());
+        public static MailWindow FocusMailWindow(int? year = null) {
+            return FocusWindow<MailWindow>(() => new(year));
         }
     }
 }
diff --git a/Elwig/Windows/DeliveryConfirmationsWindow.xaml b/Elwig/Windows/DeliveryConfirmationsWindow.xaml
deleted file mode 100644
index be99264..0000000
--- a/Elwig/Windows/DeliveryConfirmationsWindow.xaml
+++ /dev/null
@@ -1,35 +0,0 @@
-<local:ContextWindow x:Class="Elwig.Dialogs.DeliveryConfirmationsWindow"
-                     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-                     xmlns:local="clr-namespace:Elwig.Windows"
-                     mc:Ignorable="d"
-                     Loaded="Window_Loaded"
-                     Title="Anlieferungsbestätingungen - Elwig" Height="500" Width="800" MinHeight="400" MinWidth="600">
-    <Grid>
-        <GroupBox Header="Sortieren nach" Margin="10,10,10,10" Width="180" Height="80" VerticalAlignment="Top" HorizontalAlignment="Left">
-            <StackPanel Margin="5,5,0,5">
-                <RadioButton GroupName="Order" x:Name="OrderMgNrInput" Content="Mitgliedsnummer" IsChecked="True"/>
-                <RadioButton GroupName="Order" x:Name="OrderNameInput" Content="Name"/>
-                <RadioButton GroupName="Order" x:Name="OrderPlzInput" Content="PLZ, Ort, Name"/>
-            </StackPanel>
-        </GroupBox>
-
-        <CheckBox x:Name="AllMembersInput" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,100,10,10">
-            <TextBlock>Auch Mitglieder ohne<LineBreak/>Lieferungen miteinbeziehen</TextBlock>
-        </CheckBox>
-
-        <TextBox x:Name="TextElement" TextWrapping="Wrap" VerticalScrollBarVisibility="Visible" AcceptsReturn="True"
-                 HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="200,10,10,10" Height="Auto"/>
-
-        <ProgressBar x:Name="ProgressBar" Margin="10,0,0,74" Height="27" Width="180"
-                     VerticalAlignment="Bottom" HorizontalAlignment="Left"/>
-        <Button x:Name="ShowButton" Content="Vorschau" FontSize="14" Width="180" Margin="10,10,10,42" Height="27" Tag="Print" IsEnabled="False"
-                Click="ShowButton_Click"
-                VerticalAlignment="Bottom" HorizontalAlignment="Left"/>
-        <Button x:Name="PrintButton" Content="Drucken" FontSize="14" Width="180" Margin="10,10,10,10" Height="27" Tag="Print" IsEnabled="False"
-                Click="PrintButton_Click"
-                VerticalAlignment="Bottom" HorizontalAlignment="Left"/>
-    </Grid>
-</local:ContextWindow>
diff --git a/Elwig/Windows/DeliveryConfirmationsWindow.xaml.cs b/Elwig/Windows/DeliveryConfirmationsWindow.xaml.cs
deleted file mode 100644
index 7fd92e2..0000000
--- a/Elwig/Windows/DeliveryConfirmationsWindow.xaml.cs
+++ /dev/null
@@ -1,109 +0,0 @@
-using Elwig.Documents;
-using Elwig.Models.Dtos;
-using Elwig.Models.Entities;
-using Elwig.Windows;
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using System.Windows;
-using System.Windows.Input;
-
-namespace Elwig.Dialogs {
-    public partial class DeliveryConfirmationsWindow : ContextWindow {
-
-        public readonly int Year;
-
-        public DeliveryConfirmationsWindow(int year) {
-            InitializeComponent();
-            Year = year;
-            Title = $"Anlieferungsbestätigungen - Lese {Year} - Elwig";
-            TextElement.Text = App.Client.TextDeliveryConfirmation;
-        }
-
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
-            ShowButton.IsEnabled = App.IsPrintingReady;
-            PrintButton.IsEnabled = App.IsPrintingReady;
-        }
-
-        protected override async Task OnRenewContext() { }
-
-        private async Task UpdateTextParameter() {
-            var text = TextElement.Text;
-            if (text.Length == 0) text = null;
-            if (text != App.Client.TextDeliveryConfirmation) {
-                App.Client.TextDeliveryConfirmation = text;
-                await App.Client.UpdateValues();
-            }
-        }
-
-        private async Task Generate(int mode) {
-
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            await UpdateTextParameter();
-
-            IQueryable<Member> members;
-            if (AllMembersInput.IsChecked == true) {
-                members = Context.Members.Where(m => m.IsActive);
-            } else {
-                members = Context.Members.FromSqlRaw($"""
-                    SELECT m.*
-                    FROM member m
-                        INNER JOIN delivery d ON d.mgnr = m.mgnr
-                    WHERE d.year = {Year}
-                    GROUP BY m.mgnr
-                    """);
-            }
-
-            if (OrderMgNrInput.IsChecked == true) {
-                members = members
-                    .OrderBy(m => m.MgNr);
-            } else if (OrderNameInput.IsChecked == true) {
-                members = members
-                    .OrderBy(m => m.FamilyName)
-                    .ThenBy(m => m.GivenName)
-                    .ThenBy(m => m.MgNr);
-            } else if (OrderPlzInput.IsChecked == true) {
-                members = members
-                    .OrderBy(m => m.PostalDest.AtPlz.Plz)
-                    .ThenBy(m => m.PostalDest.AtPlz.Ort.Name)
-                    .ThenBy(m => m.FamilyName)
-                    .ThenBy(m => m.GivenName)
-                    .ThenBy(m => m.MgNr);
-            }
-
-            IEnumerable<Member> list = await members.ToListAsync();
-            var data = await DeliveryConfirmationDeliveryData.ForSeason(Context.DeliveryParts, Year);
-            using var doc = Document.Merge(list.Select(m =>
-                new DeliveryConfirmation(Context, Year, m, data.TryGetValue(m.MgNr, out var d) ? d : DeliveryConfirmationDeliveryData.CreateEmpty(Year, m)) {
-                    //DoubleSided = true
-                }
-            ));
-            //doc.DoubleSided = true;
-            await doc.Generate(new Progress<double>(v => {
-                ProgressBar.Value = v;
-            }));
-            Mouse.OverrideCursor = null;
-
-            if (mode < 2) {
-                doc.Show();
-                return;
-            }
-            if (App.Config.Debug) {
-                doc.Show();
-            } else {
-                await doc.Print();
-            }
-            Close();
-        }
-
-        private async void ShowButton_Click(object sender, RoutedEventArgs evt) {
-            await Generate(1);
-        }
-
-        private async void PrintButton_Click(object sender, RoutedEventArgs evt) {
-            await Generate(2);
-        }
-    }
-}
diff --git a/Elwig/Windows/MailWindow.xaml.cs b/Elwig/Windows/MailWindow.xaml.cs
index e5e6a63..d5d4706 100644
--- a/Elwig/Windows/MailWindow.xaml.cs
+++ b/Elwig/Windows/MailWindow.xaml.cs
@@ -52,7 +52,7 @@ namespace Elwig.Windows {
             CreditNote.Name,
         ];
 
-        protected Season? Season;
+        protected readonly int? Year;
         public ObservableCollection<SelectedDoc> SelectedDocs = [];
         public IEnumerable<Member> Recipients = [];
 
@@ -99,8 +99,11 @@ namespace Elwig.Windows {
         });
 
         // powershell -Command "$(Get-WmiObject -Class Win32_Printer | Where-Object {$_.Default -eq $True}).Name"
-        public MailWindow() {
+        public MailWindow(int? year = null) {
             InitializeComponent();
+            Year = year ?? Context.Seasons.OrderBy(s => s.Year).LastOrDefault()?.Year;
+            Title = $"Rundschreiben {Year} - Elwig";
+
             AvaiableDocumentsList.ItemsSource = AvaiableDocuments;
             SelectedDocumentsList.ItemsSource = SelectedDocs;
 
@@ -120,13 +123,13 @@ namespace Elwig.Windows {
         }
 
         protected override async Task OnRenewContext() {
-            Season = await Context.Seasons.OrderBy(s => s.Year).LastOrDefaultAsync();
+            var season = await Context.Seasons.FindAsync(Year);
             var l = new List<string> {
                 MemberDataSheet.Name
             };
-            if (Season != null) {
-                l.Add($"{DeliveryConfirmation.Name} {Season.Year}");
-                l.AddRange(Season.PaymentVariants.Where(v => !v.TestVariant).OrderBy(v => v.AvNr).Select(v => $"{CreditNote.Name} – {v.Name}"));
+            if (season != null) {
+                l.Add($"{DeliveryConfirmation.Name} {Year}");
+                l.AddRange(season.PaymentVariants.Where(v => !v.TestVariant).OrderBy(v => v.AvNr).Select(v => $"{CreditNote.Name} – {v.Name}"));
             }
             AvaiableDocumentsList.ItemsSource = l;
 
@@ -221,10 +224,10 @@ namespace Elwig.Windows {
             if (idx == 0) {
                 SelectedDocs.Add(new(DocType.MemberDataSheet, s, null));
             } else if (idx == 1) {
-                SelectedDocs.Add(new(DocType.DeliveryConfirmation, s, (Season!.Year, DocumentNonDeliverersInput.IsChecked == true)));
+                SelectedDocs.Add(new(DocType.DeliveryConfirmation, s, ((int)Year!, DocumentNonDeliverersInput.IsChecked == true)));
             } else if (idx >= 2) {
                 var name = s.Split(" – ")[^1];
-                var pv = Context.PaymentVariants.Single(v => v.Year == Season!.Year && v.Name == name)!;
+                var pv = Context.PaymentVariants.Single(v => v.Year == Year && v.Name == name)!;
                 SelectedDocs.Add(new(DocType.CreditNote, s, (pv.Year, pv.AvNr)));
             }
             SelectedDocumentsList.SelectedIndex = SelectedDocs.Count - 1;
@@ -553,5 +556,13 @@ namespace Elwig.Windows {
                 Process.Start("explorer.exe", d.FolderName);
             }
         }
+
+        public void AddDeliveryConfirmation() {
+            AvaiableDocumentsList.SelectedIndex = 1;
+            if (AvaiableDocumentsList.SelectedItem is not string s)
+                return;
+            SelectedDocs.Add(new(DocType.DeliveryConfirmation, s, ((int)Year!, DocumentNonDeliverersInput.IsChecked == true)));
+            SelectedDocumentsList.SelectedIndex = SelectedDocs.Count - 1;
+        }
     }
 }
diff --git a/Elwig/Windows/SeasonFinishWindow.xaml.cs b/Elwig/Windows/SeasonFinishWindow.xaml.cs
index 14aaf50..050ac18 100644
--- a/Elwig/Windows/SeasonFinishWindow.xaml.cs
+++ b/Elwig/Windows/SeasonFinishWindow.xaml.cs
@@ -65,7 +65,8 @@ namespace Elwig.Windows {
         private void DeliveryConfirmationButton_Click(object sender, RoutedEventArgs evt) {
             if (SeasonInput.Value is not int year)
                 return;
-            App.FocusDeliveryConfirmations(year);
+            var w = App.FocusMailWindow(year);
+            w.AddDeliveryConfirmation();
         }
 
         private async void OverUnderDeliveryButton_Click(object sender, RoutedEventArgs evt) {